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Why not use java.util.logging?
...ojects.
There are objective reasons for preferring SLF4J. For one, SLF4J allows the end-user the liberty to choose the underlying logging framework. In addition, savvier users tend to prefer logback which offers capabilities beyond log4j, with j.u.l falling way behind. Feature-wise j.u.l may be s...
Difference between Apache CXF and Axis
...ery 2 months), 6 fixpacks to 2.1.x, and now 3 for 2.2.x. Axis2 doesn't really "support" older versions. Unless a "critical" issue is hit, you may need to wait till the next big release (they average about every 9-10 months or so) to get fixes. (although, with either, you can grab the source code...
Is it wrong to use Deprecated methods or classes in Java?
...tated @Deprecated is one that programmers are discouraged from using, typically because it is dangerous, or because a better alternative exists.
The method is kept in the API for backward compatibility for an unspecified period of time, and may in future releases be removed. That is, no, it's not ...
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
... to fix a warning about a potential retain cycle, when using a block-based API?
7 Answers
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Array extension to remove object by value
...with a protocol extension method.
removeObject() is defined as a method on all types conforming
to RangeReplaceableCollectionType (in particular on Array) if
the elements of the collection are Equatable:
extension RangeReplaceableCollectionType where Generator.Element : Equatable {
// Remove f...
How to create a density plot in matplotlib?
...with R. This is because gaussian_kde tries to infer the bandwidth automatically. You can play with the bandwidth in a way by changing the function covariance_factor of the gaussian_kde class. First, here is what you get without changing that function:
However, if I use the following code:
import...
Proxies with Python 'Requests' module
... for their proxies dict, and when I saw docs.python-requests.org/en/latest/api/#module-requests say "proxies – (optional) Dictionary mapping protocol to the URL of the proxy.", I knew right away.
– chown
Nov 27 '11 at 18:12
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
...hese instances are objects, you can pass them around, store them, and generally call methods on them. With the support of implicit parameters, it becomes a very powerful tool. Take the following example, for instance:
object Registry {
import scala.reflect.Manifest
private var map= Map.empty[...
How much is the overhead of smart pointers compared to normal pointers in C++?
..._ptr always has memory overhead for reference counter, though it is very small.
std::unique_ptr has time overhead only during constructor (if it has to copy the provided deleter and/or null-initialize the pointer) and during destructor (to destroy the owned object).
std::shared_ptr has time overhe...
The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path [duplicate]
I have a project created by Maven integration in Eclipse. All work fine, but in the work space in all JSP files have this:
...